Ana iya raba HPMC zuwa matakin gini, matakin abinci da kuma matakin magunguna bisa ga manufar. A halin yanzu, yawancin kayayyakin gida suna da matakan gini, kuma a matakan gini, adadin foda na putty yana da girma sosai. A haɗa foda na HPMC da adadi mai yawa na sauran abubuwan foda, a haɗa su sosai da mahaɗi, sannan a ƙara ruwa don narkewa, sannan a iya narkar da HPMC a wannan lokacin ba tare da haɗawa ba, saboda kowace ƙaramin kusurwa, ɗan ƙaramin foda na HPMC, ya haɗu da ruwa. Zai narke nan take. Masana'antun foda na putty da turmi galibi suna amfani da wannan hanyar. Ana amfani da Hydroxypropyl methylcellulose (HPMC) azaman mai kauri da wakilin riƙe ruwa a cikin turmi na putty.
Zafin gel na HPMC yana da alaƙa da yawan methoxy ɗinsa, ƙarancin yawan methoxy ↓, mafi girman zafin gel ↑. Ana yi wa nau'in ruwan sanyi na HPMC magani da glyoxal, kuma yana warwatsewa da sauri a cikin ruwan sanyi, amma ba ya narkewa da gaske. Yana narkewa ne kawai lokacin da ɗanko ya ƙaru. Ba a yi wa nau'in narke mai zafi magani da glyoxal ba. Idan adadin glyoxal ya yi yawa, watsawar zai yi sauri, amma ɗanko zai ƙaru a hankali, kuma idan adadin ya ƙanƙanta, akasin haka zai zama gaskiya. Ana iya raba HPMC zuwa nau'in nan take da nau'in narke mai zafi. Samfurin nan take yana warwatse da sauri a cikin ruwan sanyi kuma ya ɓace cikin ruwa. A wannan lokacin, ruwan ba shi da ɗanko saboda HPMC yana warwatse ne kawai a cikin ruwa ba tare da narkewa na gaske ba. Kimanin mintuna 2, ɗanko na ruwan yana ƙaruwa a hankali, yana samar da colloid mai haske. Samfuran narke mai zafi, idan aka haɗu da ruwan sanyi, za su iya warwatse da sauri a cikin ruwan zafi kuma su ɓace a cikin ruwan zafi. Idan zafin ya faɗi zuwa wani yanayi na zafi, ɗanɗanon zai bayyana a hankali har sai ya samar da colloid mai haske. Ana iya amfani da nau'in narke mai zafi ne kawai a cikin foda da turmi. A cikin manne da fenti mai ruwa, za a sami yanayin rukuni kuma ba za a iya amfani da shi ba. Nau'in nan take yana da fa'idodi da yawa. Ana iya amfani da shi a cikin foda da turmi, da kuma manne mai ruwa da fenti, ba tare da wata matsala ba.
HPMC da aka samar ta hanyar narkewar abinci yana amfani da toluene da isopropanol a matsayin masu narkewar abinci. Idan wanke-wanke bai yi kyau ba, za a sami ɗan ƙamshi kaɗan. Aiwatar da foda putty: buƙatun sun yi ƙasa, ɗanɗano ya kai 100,000, ya isa, abu mafi mahimmanci shine a kiyaye ruwa da kyau. Aiwatar da turmi: buƙatun da suka fi girma, ɗanɗano mai yawa, 150,000 ya fi kyau. Aiwatar da manne: ana buƙatar samfuran nan take tare da ɗanɗano mai yawa. Adadin HPMC da ake amfani da shi a aikace ya bambanta dangane da yanayin yanayi, zafin jiki, ingancin ash na gida, dabarar foda putty da "ingancin da abokan ciniki ke buƙata". Dankowar foda hydroxypropyl methylcellulose (HPMC)-putty gabaɗaya 100,000 ne, kuma buƙatar turmi ya fi girma, kuma yana buƙatar 150,000 don ya zama mai sauƙin amfani. Bugu da ƙari, babban aikin HPMC shine riƙe ruwa, sannan kauri. A cikin foda mai laushi, matuƙar riƙe ruwa yana da kyau kuma ɗanɗanon yana da ƙasa (70,000-80,000), haka nan yana yiwuwa. Tabbas, mafi girman ɗanɗanon, mafi kyawun riƙe ruwa. Idan ɗanɗanon ya wuce 100,000, ɗanɗanon zai shafi riƙe ruwa. Ba da yawa ba; waɗanda ke da babban sinadarin hydroxypropyl gabaɗaya suna da ingantaccen riƙe ruwa. Wanda ke da babban ɗanɗanon yana da mafi kyawun riƙe ruwa, kuma wanda ke da babban ɗanɗanon ya fi kyau a yi amfani da shi a cikin turmi na siminti.
A cikin foda na putty, HPMC tana taka rawa guda uku na kauri, riƙe ruwa da ginawa. Kada ku shiga cikin duk wani martani. Dalilin kumfa na iya zama saboda an saka ruwa da yawa a ciki, ko kuma yana iya zama cewa ƙasan ba ta bushe ba, kuma an goge wani Layer a sama, kuma yana da sauƙin kumfa. Tasirin kauri na HPMC a cikin foda na putty: ana iya ƙara cellulose don a dakatar da shi, a kiyaye maganin iri ɗaya kuma daidai, da kuma tsayayya da lanƙwasawa. Tasirin riƙe ruwa na HPMC a cikin foda na putty: a sa foda na putty ya bushe a hankali, kuma a taimaka wa alli na toka ya amsa ƙarƙashin aikin ruwa. Tasirin gini na HPMC a cikin foda na putty: cellulose yana da tasirin shafawa, wanda zai iya sa foda na putty ya sami kyakkyawan tsari. HPMC ba ya shiga cikin kowane halayen sinadarai, amma yana taka rawa kawai.
Rashin foda na foda yana da alaƙa da ingancin sinadarin ash, kuma ba shi da alaƙa da HPMC. Ƙarancin sinadarin calcium na launin toka da kuma rashin daidaiton CaO da Ca(OH)2 a cikin sinadarin ash zai haifar da asarar foda. Idan yana da alaƙa da HPMC, to idan riƙe ruwa na HPMC bai yi kyau ba, zai kuma sa foda ya faɗi. Ƙara ruwa a cikin foda na putty da sanya shi a bango wani abu ne na sinadarai, saboda ana samar da sabbin abubuwa, kuma ana cire foda na putty da ke kan bango daga bango. Sauka, a niƙa shi ya zama foda, sannan a sake amfani da shi, ba zai yi aiki ba, saboda an samar da sabbin abubuwa (calcium carbonate). Babban abubuwan da ke cikin foda na ash calcium sune: cakuda Ca(OH)2, CaO2 da ƙaramin adadin CaCO3, CaO+H2O=Ca(OH)2—Ca(OH)2+CO2=CaCO3↓+H2O Calcium na ash yana cikin ruwa da iska A ƙarƙashin aikin CO2, ana samar da calcium carbonate, yayin da HPMC ke riƙe ruwa kawai, yana taimakawa wajen inganta amsawar ash calcium, kuma baya shiga cikin kowane martani da kansa.
Lokacin Saƙo: Maris-18-2023